Cosmik is a free, no-login web app that tracks the ISS, Starlink and over 20,000 satellites live in 3D, shows the real-time rocket launch schedule, and sends alerts so you know exactly when to look up. It runs entirely in your browser.

Yes. Cosmik is completely free with no login required. Optional push and email alerts are also free; the project is supported by donations.

How do I track the ISS with Cosmik?

Open Cosmik, search for the ISS (or any satellite), and follow it. Cosmik computes the next visible pass over your location and can send a push or email alert a few minutes before it flies over so you can step outside and watch.

Does Cosmik track rocket launches?

Yes. Cosmik shows the live upcoming launch schedule with countdowns, status, and embedded webcasts, and can alert you before liftoff for launches you follow.

How accurate is Cosmik's satellite tracking?

Cosmik propagates official CelesTrak orbital data (TLEs) with the SGP4 model in your browser — the same physics professional trackers use — for accurate real-time positions and pass predictions.

Aurora over Yellowknife — tonight's forecast

Live geomagnetic conditions vs what Yellowknife, Canada actually needs to see the aurora borealis (northern lights).

🟢 Likely tonight

Geomagnetic activity is high enough — get away from city lights and look now.

Kp now

0.67

Tonight's max (forecast)

2.33

Yellowknife needs

Kp 0

Geomagnetic lat.

68.5°

Live data: NOAA SWPC planetary K-index · refreshes every 30 min · get a free storm alert

🌌 Get the exact minute to look up

One email ~10 min before Yellowknife's next aurora show. Nothing else.

or✈ Telegram

Free · no account · unsubscribe anytime

What it takes to see the aurora borealis (northern lights) from Yellowknife

Aurora visibility is set by your geomagnetic latitude — your position relative to Earth's magnetic pole, not the geographic one. Yellowknife sits at 68.5° geomagnetic. The auroral oval hovers near 66° in quiet conditions and expands toward the equator as geomagnetic storms strengthen: roughly 2° per step of the Kp index. That puts Yellowknife in or near the auroral zone — displays are possible on many active nights, not just during big storms.

How to actually catch it

Get away from city lights with a clear view of the northern horizon — light pollution is the #1 killer of borderline displays.
Best window: 22:00–02:00 local time; best seasons: around the equinoxes, and dark winter months at high latitudes.
Your camera sees more than your eyes: a 5-10s phone night-mode exposure reveals green/red glow invisible to the naked eye.
Storms spike with little warning — get a free storm alert and check Aurora forecast when Kp jumps.

FAQ

Can you see the aurora from Yellowknife?

Yes, when geomagnetic activity is strong enough. Yellowknife sits at geomagnetic latitude 68.5°, which means the aurora becomes visible on the northern horizon at roughly Kp 0 — on many active nights.

What Kp index does Yellowknife need for aurora?

About Kp 0. The auroral oval sits near 66° geomagnetic latitude in quiet conditions and pushes roughly 2° toward the equator with each Kp step; Yellowknife's geomagnetic latitude is 68.5°.

When is the best time to see the aurora?

Around local midnight (22:00–02:00), on dark clear nights away from city lights, and statistically around the equinoxes (March/April and September/October). Solar maximum — happening now — delivers the most storms.

Aurora forecasts for cities near Yellowknife

More from the sky over Yellowknife

The aurora isn't the only show: the ISS passes over Yellowknife on a predictable schedule, the Sun's live flare level tells you when the next storm is brewing, and Cosmik's live 3D map shows everything in orbit right now.